Public record / Tickers / BIIB

BIIB — BIOGEN INC.

Both disclosure regimes on one name: who in Congress filed about BIIB, which institutions reported holding it. Each section keeps its own clock — congressional trades on the 45-day PTR clock, 13F holdings as quarter-end snapshots.

Congress txns
93
all PTR rows naming BIIB
Members · 12m
4
6 buys · 2 sells · by trade date
Latest PTR
09-01
filed 2026-09-01
13F holders
500
top-500 slice · 2026-03-31
Congress = transactions in statutory ranges, 45-day lag · Institutions = quarter-end positions, 45-day lagas of 2026-09-14 13:21 UTCno price data — a disclosure record, not a chart

Maria Elvira Salazar · $50.0K–$100K

Purchase · traded 2026-05-11 → filed 2026-06-08. Ranked over every BIIB row by the provable lower bound, never a point estimate.

4 members · 6 buys / 2 sells

Counts of disclosures by trade date, not dollars — ranges cannot be netted across members. Flow ranges per member are in the table below.

14 rows filed past the 45-day window

Late disclosure is stated on the row, never editorialised. Both dates and the receipt stay on every row.

Congress · disclosure timeline

TRADE DATES · 24M · ▲ BUY ▼ SELL · HEIGHT = LOG LOWER BOUND

11 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds.

Trade date, not filing date — the lag lives in the table below. 11 rows placed.

PLANNED institutional holder flow by quarter

Congressional disclosures

ALL PTR ROWS NAMING BIIB · SORTED FILED ↓ · STATUTORY RANGES · FILED ≤45D LATEfull congressional view ↗
Latest congressional filings mentioning BIIB
Filed ▾MemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2026-09-01Kevin Hern R–OK-1SaleTraded 08-18 +14d$1K–$15K
2026-07-21Alan Armstrong R–OKPurchaseTraded 03-27 LATE·116d$1K–$15K
2026-07-07Maria Elvira Salazar R–FL-27SaleTraded 06-02 +35d$15K–$50K
2026-07-02Gilbert Ray Cisneros, Jr. D–CA-31PurchaseTraded 06-05 +27d$1K–$15K
2026-06-08Maria Elvira Salazar R–FL-27PurchaseTraded 05-12 +27d$1K–$15K
Traded → filed dates on every rowEach row shows the trade date and the filing date; the gap between them is the disclosure lag.all 93 ↗

Members active in BIIB

12M · NET LOWER BOUND · COMMITTEES AS OF TRADE DATE · SNAPSHOT 2026-09-14
Members disclosing BIIB in the trailing 12 months
MemberRowsNetNet disclosed flow for this ticker: purchases minus sales, computed as a net range on the disclosed amounts. A lower bound is provable, never a point.CommitteesNumber of committees the member sat on as of their latest trade date in the window, from the cc0-legislators roster snapshot. Context, never an allegation; jurisdiction overlap needs the sector join.
Maria Elvira Salazar R–FL-274$2.0K to $115K2
Gilbert Ray Cisneros, Jr. D–CA-312$2.0K to $30.0K2
Alan Armstrong R–OK1$1.0K to $15.0K2
Kevin Hern R–OK-11−$15.0K to −$1.0K1

4 members in the window · counts of disclosures, not dollars.

Congress ↔ notable managers · BIIB

who in Congress disclosed purchases or sales beside which notable managers added or trimmed

Congress · last 90 days

Buyers
2 Alan Armstrong R–OK, Gilbert Ray Cisneros, Jr. D–CA-31 $2K–$30K
Sellers
2 Kevin Hern R–OK-1, Maria Elvira Salazar R–FL-27 $16K–$65K

filed 2026-06-16 → 2026-09-14 · totals are statutory ranges

Notable managers · quarter ended 2026-03-31

Adding
1 Gotham Asset Management $54.7M held
Trimming
1 Glenview Capital $10.5M held

new + add vs trim + exit, by shares · $ = reported value now, not the change · BIOGEN INC

Merged timeline of congressional filings and notable-manager moves on BIIB
DateWhoChangeSize
2026-09-01Kevin Hern CongressSale$1K–$15K
2026-07-21Alan Armstrong CongressPurchase$1K–$15K
2026-07-07Maria Elvira Salazar CongressSale$15K–$50K
2026-07-02Gilbert Ray Cisneros, Jr. CongressPurchase$1K–$15K
2026-05-15Gotham Asset Management 13Fadd+21,628 sh
2026-05-15Glenview Capital 13Ftrim−233,586 sh

6 newest rows · Congress rows date by filing, 13F rows by quarter end · a 13F row is a quarter-end snapshot, not a trade

Institutional holders · 13F · Quarter ended 2026-03-31 · longs only

full holders view ↗
Top institutional holders of BIIB for quarter 2026-03-31
#FilerValue ▾SecuritiesFlagsSrc
1BlackRock, Inc.$2.9B1
2PRIMECAP MANAGEMENT CO/CA/$2.7B1
3FMR LLC$2.3B1
4VANGUARD CAPITAL MANAGEMENT LLC$1.7B1
5STATE STREET CORP$1.3B1
6VANGUARD PORTFOLIO MANAGEMENT LLC$1.2B1
7GEODE CAPITAL MANAGEMENT, LLC$793M1
8WELLINGTON MANAGEMENT GROUP LLP$543M1
9MORGAN STANLEY$398M1
10AQR CAPITAL MANAGEMENT LLC$346M1
11Invesco Ltd.$320M1
12Boston Partners$312M1
13NORTHERN TRUST CORP$265M1
14UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$253M1
15Legal & General Group Plc$247M1
16BANK OF AMERICA CORP /DE/$212M1
17CHARLES SCHWAB INVESTMENT MANAGEMENT INC$211M1
18DIMENSIONAL FUND ADVISORS LP$198M1
19DEUTSCHE BANK AG\$195M1
20Pictet Asset Management Holding SA$168M1
21VANGUARD FIDUCIARY TRUST CO$151M1
22Point72 Asset Management, L.P.$148M1
23Alyeska Investment Group, L.P.$148M1
24Amundi$145M1
25Bank of New York Mellon Corp$145M1
26Robeco Institutional Asset Management B.V.$140M1
27MASSACHUSETTS FINANCIAL SERVICES CO /MA/$134M1
28Employees Provident Fund Board$129M1
29FIRST TRUST ADVISORS LP$124M1
30BALYASNY ASSET MANAGEMENT L.P.$119M1
31AustralianSuper Pty Ltd$113M1
32Artemis Investment Management LLP$105M1
33BARCLAYS PLC$101M1
34ROYAL BANK OF CANADA$97.4M1
35UBS Group AG$96.0M1
36Zurcher Kantonalbank (Zurich Cantonalbank)$95.7M1
37CAISSE DE DEPOT ET PLACEMENT DU QUEBEC$95.1M1
38CITIGROUP INC$91.8M1
39HSBC HOLDINGS PLC$84.6M1
40Swiss National Bank$78.9M1
41National Pension Service$73.6M1
42Candriam S.C.A.$70.0M1
43Patient Capital Management, LLC$69.6M1
44Nuveen, LLC$65.8M1
45Sumitomo Mitsui Trust Group, Inc.$65.3M1
46Vanguard Global Advisers, LLC$63.0M1
47CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM$62.5M1
48Mitsubishi UFJ Asset Management Co., Ltd.$61.3M1
49ADAGE CAPITAL PARTNERS GP, L.L.C.$61.1M1
50VICTORY CAPITAL MANAGEMENT INC$58.8M1
51Man Group plc$58.4M1
52FIL Ltd$58.3M1
53Fisher Asset Management, LLC$57.3M1
54Gotham Asset Management, LLC$54.7M1
55Swedbank AB$53.1M1
56CAUSEWAY CAPITAL MANAGEMENT LLC$51.5M1
57RHUMBLINE ADVISERS$50.5M1
58VANGUARD ASSET MANAGEMENT, Ltd$45.8M1
59Sofinnova Investments, Inc.$42.1M1
60BNP Paribas Asset Management Holding S.A.$39.5M1
61Qube Research & Technologies Ltd$39.0M1
62ALLIANCEBERNSTEIN L.P.$37.5M1
63RENAISSANCE TECHNOLOGIES LLC$37.3M1
64Hudson Bay Capital Management LP$36.9M1
65Logos Global Management LP$36.7M1
66KLP KAPITALFORVALTNING AS$36.5M1
67PRINCIPAL FINANCIAL GROUP INC$34.3M1
68Allianz Asset Management GmbH$32.6M1
69IEQ CAPITAL, LLC$27.9M1
70ExodusPoint Capital Management, LP$27.9M1
71Aberdeen Group plc$27.7M1
72LETKO, BROSSEAU & ASSOCIATES INC$27.7M1
73FRANKLIN RESOURCES INC$26.5M1
74PANAGORA ASSET MANAGEMENT INC$26.0M1
75O'SHAUGHNESSY ASSET MANAGEMENT, LLC$25.9M1
76Palo Alto Investors LP$25.8M1
77SUSQUEHANNA INTERNATIONAL GROUP, LLP$25.7M1
78CITADEL ADVISORS LLC$25.3M1
79AMERIPRISE FINANCIAL INC$24.3M1
80Eurizon Capital SGR S.p.A.$23.7M1
81TD ASSET MANAGEMENT INC$23.3M1
82WELLS FARGO & COMPANY/MN$23.3M1
83STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM$22.8M1
84Portolan Capital Management, LLC$21.7M1
85Creative Planning$21.5M1
86Quantinno Capital Management LP$21.3M1
87LMR Partners LLP$21.3M1
88CANADA PENSION PLAN INVESTMENT BOARD$21.1M1
89Susquehanna Portfolio Strategies, LLC$20.5M1
90Rhenman & Partners Asset Management AB$20.0M1
91Woodline Partners LP$20.0M1
92AMERICAN CENTURY COMPANIES INC$19.2M1
93ADAMS DIVERSIFIED EQUITY FUND, INC.$18.4M1
94NEW YORK STATE COMMON RETIREMENT FUND$18.3M1
95Walleye Trading LLC$18.2M1
96FEDERATED HERMES, INC.$17.8M1
97AVIVA PLC$17.8M1
98RAYMOND JAMES FINANCIAL INC$17.7M1
99Defilade Capital Management, L.P.$17.7M1
100MANUFACTURERS LIFE INSURANCE COMPANY, THE$17.4M1
101MILLENNIUM MANAGEMENT LLC$17.2M1
102BANK OF MONTREAL /CAN/$17.0M1
103SPHERA FUNDS MANAGEMENT LTD.$17.0M1
104SECTOR GAMMA AS$16.5M1
105Illinois Municipal Retirement Fund$16.4M1
106LPL Financial LLC$15.0M1
107NATIONAL BANK OF CANADA /FI/$14.5M1
108STATE OF WISCONSIN INVESTMENT BOARD$14.4M1
109Cerity Partners LLC$14.1M1
110Korea Investment CORP$13.6M1
111Vanguard Investments Australia, Ltd.$13.4M1
112APG Asset Management N.V.$13.4M1
113Chevy Chase Trust Holdings, LLC$13.3M1
114Mariner, LLC$13.2M1
115SEI INVESTMENTS CO$13.1M1
116MACKENZIE FINANCIAL CORP$13.1M1
117Universal- Beteiligungs- und Servicegesellschaft mbH$12.6M1
118Cresset Asset Management, LLC$12.4M1
119BANQUE PICTET & CIE SA$12.1M1
120Mitsubishi UFJ Trust & Banking Corp$11.9M1
121ENVESTNET ASSET MANAGEMENT INC$11.9M1
122ROYAL LONDON ASSET MANAGEMENT LTD$11.8M1
123Asset Management One Co., Ltd.$11.8M1
124NOMURA ASSET MANAGEMENT CO LTD$11.5M1
125ORBIMED ADVISORS LLC$11.3M1
126MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$11.1M1
127Integral Health Asset Management, LLC$11.0M1
128Tidal Investments LLC$10.9M1
129SCHRODER INVESTMENT MANAGEMENT GROUP$10.8M1
130GLENVIEW CAPITAL MANAGEMENT, LLC$10.5M1
131EDMOND DE ROTHSCHILD HOLDING S.A.$10.4M1
132CWM, LLC$10.1M1
133VOYA INVESTMENT MANAGEMENT LLC$10.0M1
134Andra AP-fonden$9.5M1
135SILVERARC CAPITAL MANAGEMENT, LLC$9.3M1
136GATEWAY INVESTMENT ADVISERS LLC$9.3M1
137State of New Jersey Common Pension Fund D$9.2M1
138HighTower Advisors, LLC$9.1M1
139Schonfeld Strategic Advisors LLC$9.0M1
140Lansforsakringar Fondforvaltning AB (publ)$8.8M1
141DANSKE BANK A/S$8.7M1
142NOMURA ASSET MANAGEMENT INTERNATIONAL INC.$8.7M1
143Ethic Inc.$8.7M1
144Resona Asset Management Co.,Ltd.$8.5M1
145Tredje AP-fonden$8.5M1
146PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO$8.4M1
147Dakota Wealth Management$8.4M1
148CONTRAVISORY INVESTMENT MANAGEMENT, INC.$8.2M1
149Privium Fund Management B.V.$8.0M1
150Generali Investments CEE, investicni spolecnost, a.s.$8.0M1
151TORONTO DOMINION BANK$8.0M1
152STATE OF MICHIGAN RETIREMENT SYSTEM$7.9M1
153BANCO BILBAO VIZCAYA ARGENTARIA, S.A.$7.8M1
154CIBC Bancorp USA Inc.$7.7M1
155SEB Asset Management AB$7.7M1
156OSSIAM$7.5M1
157STIFEL FINANCIAL CORP$7.5M1
158Mirae Asset Global Investments Co., Ltd.$7.4M1
159Czech National Bank$7.3M1
160Arizona State Retirement System$7.3M1
161Orion Investment Co$7.3M1
162FJARDE AP-FONDEN /FOURTH SWEDISH NATIONAL PENSION FUND$7.2M1
163MERCER GLOBAL ADVISORS INC /ADV$7.1M1
164IFM Investors Pty Ltd$7.1M1
165USS Investment Management Ltd$6.8M1
166Corient Private Wealth LLC$6.7M1
167MARTINGALE ASSET MANAGEMENT L P$6.7M1
168Vanguard Personalized Indexing Management, LLC$6.7M1
169WEALTH ENHANCEMENT ADVISORY SERVICES, LLC$6.7M1
170Squarepoint Ops LLC$6.6M1
171ProShare Advisors LLC$6.6M1
172NISA INVESTMENT ADVISORS, LLC$6.6M1
173Calamos Advisors LLC$6.5M1
174Walleye Capital LLC$6.5M1
175CIBC Asset Management Inc$6.5M1
176Rafferty Asset Management, LLC$6.4M1
177TANG CAPITAL MANAGEMENT LLC$6.4M1
178RITHOLTZ WEALTH MANAGEMENT$6.4M1
179CWA Asset Management Group, LLC$6.4M1
180GRIMES & Co WEALTH MANAGEMENT, LLC$6.4M1
181MetLife Investment Management, LLC$6.3M1
182Generali Asset Management SPA SGR$6.3M1
183COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS$6.3M1
184Ensign Peak Advisors, Inc$6.2M1
185Nippon Life Global Investors Americas, Inc.$6.2M1
186LEUTHOLD GROUP, LLC$6.1M1
187QRG CAPITAL MANAGEMENT, INC.$6.1M1
188FIFTH THIRD BANCORP$6.0M1
189Lighthouse Investment Partners, LLC$6.0M1
190Swiss Life Asset Management Ltd$5.7M1
191US BANCORP \DE\$5.7M1
192DnB Asset Management AS$5.7M1
193Retirement Systems of Alabama$5.7M1
194Baader Bank Aktiengesellschaft$5.6M1
195NISSAY ASSET MANAGEMENT CORP /JAPAN$5.5M1
196B. Metzler seel. Sohn & Co. AG$5.4M1
197Hillman Capital Management, Inc.$5.4M1
198Insight Wealth Strategies, LLC$5.4M1
199PEAK6 LLC$5.2M1
200Daiwa Securities Group Inc.$5.0M1
201XPONANCE LLC$4.9M1
202Leonteq Securities AG$4.8M1
203GUGGENHEIM CAPITAL LLC$4.8M1
204Caprock Group, LLC$4.7M1
205Atom Investors LP$4.5M1
206Old North State Wealth Management, LLC$4.5M1
207NorthCrest Asset Manangement, LLC$4.4M1
208PUBLIC SECTOR PENSION INVESTMENT BOARD$4.4M1
209Utah Retirement Systems$4.3M1
210CREDIT AGRICOLE S A$4.2M1
211DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main$4.2M1
212Leo Wealth, LLC$4.2M1
213NATIXIS$4.1M1
214Cetera Investment Advisers$4.1M1
215Rakuten Investment Management, Inc.$4.1M1
216NEW YORK LIFE INVESTMENT MANAGEMENT LLC$4.0M1
217Jefferies Financial Group Inc.$4.0M1
218Empowered Funds, LLC$4.0M1
219SummitTX Capital, L.P.$4.0M1
220TEACHER RETIREMENT SYSTEM OF TEXAS$3.9M1
221Focus Partners Wealth$3.9M1
222NEOS Investment Management LLC$3.8M1
223Sumitomo Mitsui DS Asset Management Company, Ltd$3.8M1
224BANK OF NOVA SCOTIA$3.7M1
225BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp$3.7M1
226OMERS ADMINISTRATION Corp$3.7M1
227Federation des caisses Desjardins du Quebec$3.6M1
228Cinctive Capital Management LP$3.5M1
229Morningstar Investment Management LLC$3.5M1
230Janus Henderson Group Ltd.$3.5M1
231Artia Global Partners LP$3.4M1
232COMMONWEALTH EQUITY SERVICES, LLC$3.3M1
233Kintegral Advisory, LLC$3.3M1
234Elo Mutual Pension Insurance Co$3.2M1
235MH & ASSOCIATES SECURITIES MANAGEMENT CORP /ADV$3.2M1
236Fieldview Capital Management, LLC$3.2M1
237LAZARD ASSET MANAGEMENT LLC$3.1M1
238OREGON PUBLIC EMPLOYEES RETIREMENT FUND$3.1M1
239NOMURA HOLDINGS INC$3.1M1
240SYSTEMATIC FINANCIAL MANAGEMENT LP$3.0M1
241NORDEA INVESTMENT MANAGEMENT AB$3.0M1
242M&T BANK CORP$2.9M1
243Wealthfront Advisers LLC$2.9M1
244MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC$2.9M1
245UniSuper Management Pty Ltd$2.9M1
246CLARK ESTATES INC/NY$2.8M1
247OP Asset Management Ltd$2.8M1
248FULLER & THALER ASSET MANAGEMENT, INC.$2.8M1
249YOUSIF CAPITAL MANAGEMENT, LLC$2.8M1
250DYMON ASIA CAPITAL (SINGAPORE) PTE. LTD.$2.7M1
251Pathstone Holdings, LLC$2.7M1
252Avanza Fonder AB$2.7M1
253BOOTHBAY FUND MANAGEMENT, LLC$2.6M1
254EVOKE WEALTH, LLC$2.5M1
255Vontobel Holding Ltd.$2.5M1
256Convergence Investment Partners, LLC$2.5M1
257NewEdge Advisors, LLC$2.4M1
258BLAIR WILLIAM & CO/IL$2.4M1
259BEACON INVESTMENT ADVISORY SERVICES, INC.$2.3M1
260OSAIC HOLDINGS, INC.$2.2M1
261Pallas Capital Advisors LLC$2.2M1
262PROFUND ADVISORS LLC$2.2M1
263TRUIST FINANCIAL CORP$2.1M1
264Merit Financial Group, LLC$2.1M1
265MML INVESTORS SERVICES, LLC$2.1M1
266ADAR1 Capital Management, LLC$2.0M1
267Investment Management Corp of Ontario$1.9M1
268JANE STREET GROUP, LLC$1.9M1
269Missouri Trust & Investment Co$1.9M1
270Graham Capital Management, L.P.$1.9M1
271GFS Advisors, LLC$1.9M1
272K.J. Harrison & Partners Inc$1.8M1
273Crossmark Global Holdings, Inc.$1.8M1
274Sequoia Financial Advisors, LLC$1.8M1
275Pinnacle Financial Partners, Inc.$1.8M1
276KENNEDY CAPITAL MANAGEMENT LLC$1.8M1
277GREAT LAKES ADVISORS, LLC$1.7M1
278TWO SIGMA INVESTMENTS, LP$1.7M1
279AIA Group Ltd$1.7M1
280Norinchukin Bank, The$1.7M1
281HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND$1.7M1
282Farringdon Capital, Ltd.$1.7M1
283Focus Partners Advisor Solutions, LLC$1.7M1
284MIZUHO SECURITIES USA LLC$1.6M1
285AUXIER ASSET MANAGEMENT LLC$1.6M1
286KEYBANK NATIONAL ASSOCIATION/OH$1.6M1
287Sompo Asset Management Co., Ltd.$1.6M1
288GROUPAMA ASSET MANAGMENT$1.6M1
289M&G Plc$1.6M1
290MACQUARIE GROUP LTD$1.6M1
291Orion Porfolio Solutions, LLC$1.6M1
292HARTFORD INVESTMENT MANAGEMENT CO$1.5M1
293AG2R LA MONDIALE GESTION D'ACTIFS$1.5M1
294QUADRANT CAPITAL GROUP LLC$1.5M1
295Banque Cantonale Vaudoise$1.5M1
296Jacobi Capital Management LLC$1.4M1
297Allspring Global Investments Holdings, LLC$1.3M1
298Brooklyn Investment Group$1.3M1
299Krilogy Financial LLC$1.3M1
300Sigma Planning Corp$1.3M1
301JUPITER ASSET MANAGEMENT LTD$1.3M1
302Generali Investments, Management Co LLC$1.3M1
303Maryland State Retirement & Pension System$1.3M1
304COMMERCE BANK$1.3M1
305NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO$1.3M1
306Assenagon Asset Management S.A.$1.3M1
307Kennondale Capital Management LLC$1.3M1
308STABLEFORD CAPITAL II LLC$1.3M1
309Laird Norton Wetherby Trust Company, LLC$1.3M1
310Summit Trail Advisors, LLC$1.3M1
311BROWN ADVISORY INC$1.3M1
312Ascent Group, LLC$1.3M1
313UNITED CAPITAL FINANCIAL ADVISORS, LLC$1.2M1
314Rockefeller Capital Management L.P.$1.2M1
315North Dakota State Investment Board$1.2M1
316Osmosis Investment Management UK Ltd$1.2M1
317Kathmere Capital Management, LLC$1.2M1
318NICOLET BANKSHARES INC$1.2M1
319Callan Family Office, LLC$1.2M1
320Sagewood Asset Management LP$1.2M1
321Savant Capital, LLC$1.2M1
322Advisors Asset Management, Inc.$1.2M1
323TOKIO MARINE ASSET MANAGEMENT CO LTD$1.2M1
324Ballentine Partners, LLC$1.2M1
325denkapparat Operations GmbH$1.2M1
326HUSSMAN STRATEGIC ADVISORS, INC.$1.2M1
327SCOTIA CAPITAL INC.$1.2M1
328MOGY JOEL R INVESTMENT COUNSEL INC$1.1M1
329Mediolanum International Funds Ltd$1.1M1
330Metis Global Partners, LLC$1.1M1
331World Investment Advisors$1.1M1
332MUFG Securities EMEA plc$1.1M1
333Bridgefront Capital, LLC$1.1M1
334ABN AMRO INVESTMENT SOLUTIONS$1.1M1
335Friedenthal Financial$1.1M1
336Kestra Advisory Services, LLC$1.1M1
337Dai-ichi Life Insurance Company, Ltd$1.1M1
338HB Wealth Management, LLC$1.0M1
339Sanctuary Advisors, LLC$1.0M1
340SIG BROKERAGE, LP$1.0M1
341GUARDIAN INVESTMENT MANAGEMENT$1.0M1
342Saudi Central Bank$993K1
343Wealthcare Advisory Partners LLC$988K1
344E Fund Management Co., Ltd.$955K1
345Vise Technologies, Inc.$953K1
346INDEPENDENT FINANCIAL GROUP, LLC$953K1
347Frank, Rimerman Advisors LLC$952K1
348Annis Gardner Whiting Capital Advisors, LLC$952K1
349Sterling Capital Management LLC$942K1
350Taproot Management LP$941K1
351Vident Advisory, LLC$935K1
352Cannell & Spears LLC$932K1
353Unison Advisors LLC$931K1
354Bull Harbor Capital LLC$931K1
355Empirical Finance, LLC$929K1
356Birchview Capital, LP$917K1
357J. Safra Sarasin Holding AG$915K1
358Plato Investment Management Ltd$906K1
359&PARTNERS$893K1
360Virtus Investment Advisers, LLC$889K1
361E. Ohman J:or Asset Management AB$883K1
362BEESE FULMER INVESTMENT MANAGEMENT, INC.$881K1
363Holocene Advisors, LP$879K1
364Chicago Partners Investment Group LLC$874K1
365SUMMITRY LLC$868K1
366Meeder Advisory Services, Inc.$866K1
367Arrowpoint Investment Partners (Singapore) Pte. Ltd.$863K1
368MAI Capital Management$862K1
369NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC$861K1
370COLDSTREAM CAPITAL MANAGEMENT INC$855K1
371Private Advisor Group, LLC$852K1
372SIGNATUREFD, LLC$845K1
373GILDER GAGNON HOWE & CO LLC$836K1
374EFG International AG$817K1
375Lido Advisors, LLC$813K1
376TWIN CAPITAL MANAGEMENT INC$812K1
377Econ Financial Services Corp$806K1
378LBP AM SA$801K1
379TOCQUEVILLE ASSET MANAGEMENT L.P.$798K1
380Jones Kertz & Associates, Inc.$776K1
381STOREBRAND ASSET MANAGEMENT AS$774K1
382Baird Financial Group, Inc.$772K1
383Allworth Financial LP$772K1
384INTECH INVESTMENT MANAGEMENT LLC$750K1
385Beacon Pointe Advisors, LLC$749K1
386MUFG SECURITIES AMERICAS INC.$745K1
387Cohen Klingenstein LLC$733K1
388PINNACLE ASSOCIATES LTD$733K1
389Texas Yale Capital Corp.$731K1
390SECURIAN ASSET MANAGEMENT, INC$723K1
391FARMERS & MERCHANTS INVESTMENTS INC$723K1
392Lombard Odier Asset Management (Switzerland) SA$715K1
393Savvy Advisors, Inc.$708K1
394AlphaCentric Advisors LLC$703K1
395ELEVATION POINT WEALTH PARTNERS, LLC$683K1
396Bellevue Group AG$670K1
397XXI WEALTH, LLC$669K1
398Siemens Fonds Invest GmbH$666K1
399Avestar Capital, LLC$661K1
400Davis Investment Partners, LLC$656K1
401CHESAPEAKE CAPITAL CORP /IL/$650K1
402EVOLVE PRIVATE WEALTH, LLC$648K1
403Ironwood Financial, llc$648K1
404Premier Path Wealth Partners, LLC$646K1
405Hills Bank & Trust Co$640K1
406Lifeworks Advisors, LLC$635K1
407WINTON GROUP Ltd$604K1
408SAX WEALTH ADVISORS, LLC$586K1
409Massachusetts Wealth Management$583K1
410Waverly Advisors, LLC$578K1
411RDA Financial Network$573K1
412F/m Investments LLC$571K1
413EVERGREEN CAPITAL MANAGEMENT LLC$565K1
414NLB Skladi, upravljanje premozenja, d.o.o.$560K1
415Sivia Capital Partners, LLC$551K1
416ROBERTS GLORE & CO INC /IL/$550K1
417TRUST CO OF TOLEDO NA /OH/$544K1
418iSAM Funds (UK) Ltd$535K1
419Legacy Capital Group California, Inc.$532K1
420Bank Pictet & Cie (Europe) AG$528K1
421HORIZON KINETICS ASSET MANAGEMENT LLC$524K1
422Wedmont Private Capital$523K1
423Aprio Wealth Management, LLC$522K1
424CIM INVESTMENT MANAGEMENT INC$519K1
425KCM INVESTMENT ADVISORS LLC$514K1
426Caerus Investment Advisors, LLC$514K1
427Uncommon Cents Investing LLC$509K1
428Empirical Financial Services, LLC d.b.a. Empirical Wealth Management$504K1
429Waterfront Wealth Inc.$504K1
430Compound Planning, Inc.$503K1
431OPPENHEIMER & CO INC$499K1
432CSS LLC/IL$499K1
433SteelPeak Wealth, LLC$496K1
434ASSETMARK, INC$493K1
435Frec Markets, Inc.$482K1
436TEMA ETFS LLC$482K1
437Westside Investment Management, Inc.$478K1
438EAGLE GLOBAL ADVISORS LLC$477K1
439Pitcairn Wealth Advisors LLC$475K1
440Aljian Capital Management, LLC$466K1
441Clearstead Advisors, LLC$463K1
442PRUDENTIAL PLC$460K1
443DKRT Investments Corp.$458K1
444Atria Investments, Inc$447K1
445Blackhawk Capital Partners, LLC$445K1
446TFB Advisors LLC$444K1
447CHOREO, LLC$436K1
448PERSONAL CFO SOLUTIONS, LLC$433K1
449PDT Partners, LLC$430K1
450CITIZENS FINANCIAL GROUP INC/RI$430K1
451Philip James Wealth Mangement, LLC$426K1
452WADDELL & ASSOCIATES, LLC$415K1
453INCEPTIONR LLC$412K1
454Concurrent Investment Advisors, LLC$407K1
455Baker Avenue Asset Management, LP$405K1
456OPPENHEIMER ASSET MANAGEMENT INC.$404K1
457Smartleaf Asset Management LLC$399K1
458NAVELLIER & ASSOCIATES INC$397K1
459SIMPLEX TRADING, LLC$397K1
460Tower Research Capital LLC (TRC)$396K1
461Simplicity Wealth,LLC$394K1
462Parcion Private Wealth LLC$392K1
463CIDEL ASSET MANAGEMENT INC$390K1
464DoubleLine ETF Adviser LP$390K1
465Evercore Wealth Management, LLC$387K1
466B. Riley Wealth Advisors, Inc.$387K1
467SECTORAL ASSET MANAGEMENT INC$386K1
468Capital Investment Advisors, LLC$383K1
469BSW Wealth Partners$380K1
470AGP FRANKLIN, LLC$380K1
471Procyon Advisors, LLC$378K1
472Richwood Investment Advisors, LLC$373K1
473Northwest & Ethical Investments L.P.$367K1
474QTR Family Wealth, LLC$356K1
475SAGESPRING WEALTH PARTNERS, LLC$351K1
476Stratos Wealth Partners, LTD.$351K1
477Persistent Asset Partners Ltd$349K1
478Camelot Portfolios, LLC$348K1
479Forum Financial Management, LP$346K1
480Resonant Capital Advisors, LLC$344K1
481FORBES J M & CO LLP$343K1
482FLPUTNAM INVESTMENT MANAGEMENT CO$341K1
483Parkside Financial Bank & Trust$340K1
484Investors Research Corp$339K1
485WESTPAC BANKING CORP$338K1
486Applied Finance Capital Management, LLC$338K1
487OSLO PENSJONSFORSIKRING AS$337K1
488Everhart Financial Group, Inc.$337K1
489Colonial River Investments, LLC$335K1
490EXCHANGE TRADED CONCEPTS, LLC$334K1
491Brand Asset Management Group, Inc.$333K1
492VestGen Advisors, LLC$331K1
493Trail Ridge Investment Advisors, LLC$331K1
494HANCOCK WHITNEY CORP$328K1
495D'Orazio & Associates, Inc.$326K1
496Integrated Advisors Network LLC$324K1
497UMB Bank, n.a.$323K1
498Abacus Planning Group, Inc.$323K1
499Pure Financial Advisors, LLC$316K1
500Kera Capital Partners, Inc.$316K1
Truncated by Public Filings. The published aggregate ranks the top 500 holders per issuer — a build parameter of the Public Filings aggregation, not a census. Rows beyond it exist in individual filings on EDGAR. methodology §13F ↗
§ derived by Public Filings from the published aggregate (agg_issuer_top_holders); per-filer filed dates, share counts and document links are not in the published aggregate — the EDGAR link opens the filer's 13F list
n/c Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt.

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Do the two regimes agree?

TRAILING 12M · CONGRESS vs FILERS NET
Congress net (rows)6 buy / 2 sell
Congress net ($ bound)−$10.0K to $159K
Filers net (actions)not in build
Filers net ($ Q/Q)not in build

The filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.

Signals on BIIB

RETAINED WINDOW · ACTIVE HITS
Signal hits naming BIIB
KindRuleHits
FIRST FILINGfirst disclosure of this ticker by this member within the corpus — era-scoped: coverage begins 2014-01-03, so an earlier first disclosure cannot be seen and is not claimed against2 hits
COMMITTEEa disclosed trade in an issuer whose sector falls within a committee the member sat on as of the trade date (versioned mapping; membership dated) — context only: no legal, ethical, or causal conflict is established or implied1 hit

Every rule, with its definition →

Planned modules for BIIB · financials and macro

Financials — as filed PLANNED

BIIB's as-reported XBRL fundamentals will appear here when the financials module passes its gates. Until then: BIIB on EDGAR ↗

Macro context PLANNED

Rates, inflation, and positioning series land here with the macro module — vintage-aware, never nowcast.

issuer name from the SEC's present-day ticker file (company_tickers.json) — a present-day mapping, not the name as of each filing